package com.wulaobo.source;

import org.apache.flink.api.common.eventtime.WatermarkStrategy;
import org.apache.flink.connector.file.src.FileSource;
import org.apache.flink.connector.file.src.reader.TextLineInputFormat;
import org.apache.flink.core.fs.Path;
import org.apache.flink.streaming.api.datastream.DataStreamSink;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;

/**
 * @Author wuwenbo
 * @Date 2024/5/16 15:15
 * @ClassName: FileSourceDemo
 * @Description: TODO
 */
public class FileSourceDemo {

    public static void main(String[] args) throws Exception {

        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

        FileSource<String> fileSource = FileSource.forRecordStreamFormat(new TextLineInputFormat(), new Path("input/clicks.csv")).build();
        DataStreamSource<String> dataStreamSource = env.fromSource(fileSource, WatermarkStrategy.noWatermarks(), "");
        dataStreamSource.print();

        env.execute();
    }

}
